My bad, I thought it’s known. Here is the prompt after the command poweroff is executed.
Failed to set wall message, ignoring:
Unit dbus-org.freedesktop.login1.service failed to load properly, please adjust/correct and reload service manager: File exists
Call to PowerOff failed:
Unit dbus-org.freedesktop.login1.service failed to load properly, please adjust/correct and reload service manager: File exists